GJ.13/15, 1859 Die proofs printed in black on thin paper, very neat impression, excellent and extremely rare, with Alberto Solari certificate (Image)

GJ.15, 2P. red, CLEAR impression, wide margins, very good color, fresh, superb! (Image)

GJ.17, 1P. dark blue, "CORRECS" variety, wide margins, franking a front of folded cover with blue grid cancel of Buenos Aires, superb, varieties on cover are scarce! (Image)

GJ.17Ac, 1P. milky blue with variety "1 without period", mint, very fine and rare, good opportunity at low start! (Image)

GJ.22d, 2P. blue with very notable Lacroix Freres watermark, very fine quality, rare! (Image)